hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncClusterAdminApi2.java

   1 /**
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements.  See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership.  The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License.  You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18 package org.apache.hadoop.hbase.client;
  19
  20 import static org.apache.hadoop.hbase.client.AsyncConnectionConfiguration.START_LOG_ERRORS_AFTER_COUNT_KEY;
  21 import static org.junit.Assert.assertFalse;
  22 import static org.junit.Assert.assertTrue;
  23
  24 import java.util.concurrent.TimeUnit;
  25 import org.apache.hadoop.hbase.HBaseClassTestRule;
  26 import org.apache.hadoop.hbase.HConstants;
  27 import org.apache.hadoop.hbase.master.HMaster;
  28 import org.apache.hadoop.hbase.regionserver.HRegionServer;
  29 import org.apache.hadoop.hbase.testclassification.ClientTests;
  30 import org.apache.hadoop.hbase.testclassification.MediumTests;
  31 import org.junit.After;
  32 import org.junit.AfterClass;
  33 import org.junit.Before;
  34 import org.junit.BeforeClass;
  35 import org.junit.ClassRule;
  36 import org.junit.Test;
  37 import org.junit.experimental.categories.Category;
  38
  39 import org.apache.hbase.thirdparty.com.google.common.io.Closeables;
  40
  41 /**
  42  * Only used to test stopMaster/stopRegionServer/shutdown methods.
  43  */
  44 @Category({ ClientTests.class, MediumTests.class })
  45 public class TestAsyncClusterAdminApi2 extends TestAsyncAdminBase {
  46
  47   @ClassRule
  48   public static final HBaseClassTestRule CLASS_RULE =
  49       HBaseClassTestRule.forClass(TestAsyncClusterAdminApi2.class);
  50
  51   @BeforeClass
  52   public static void setUpBeforeClass() throws Exception {
  53     TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_RPC_TIMEOUT_KEY, 60000);
  54     TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_OPERATION_TIMEOUT, 120000);
  55     TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 2);
  56     TEST_UTIL.getConfiguration().setInt(START_LOG_ERRORS_AFTER_COUNT_KEY, 0);
  57   }
  58
  59   @AfterClass
  60   public static void tearDownAfterClass() throws Exception {
  61     // do nothing
  62   }
  63
  64   @Before
  65   @Override
  66   public void setUp() throws Exception {
  67     TEST_UTIL.startMiniCluster(3);
  68     ASYNC_CONN = ConnectionFactory.createAsyncConnection(TEST_UTIL.getConfiguration()).get();
  69     admin = ASYNC_CONN.getAdmin();
  70   }
  71
  72   @After
  73   @Override
  74   public void tearDown() throws Exception {
  75     Closeables.close(ASYNC_CONN, true);
  76     TEST_UTIL.shutdownMiniCluster();
  77   }
  78
  79   @Test
  80   public void testStop() throws Exception {
  81     HRegionServer rs = TEST_UTIL.getMiniHBaseCluster().getRegionServer(0);
  82     assertFalse(rs.isStopped());
  83     admin.stopRegionServer(rs.getServerName()).join();
  84     assertTrue(rs.isStopped());
  85
  86     HMaster master = TEST_UTIL.getMiniHBaseCluster().getMaster();
  87     assertFalse(master.isStopped());
  88     admin.stopMaster().join();
  89     assertTrue(master.isStopped());
  90   }
  91
  92   @Test
  93   public void testShutdown() throws Exception {
  94     TEST_UTIL.getMiniHBaseCluster().getMasterThreads().forEach(thread -> {
  95       assertFalse(thread.getMaster().isStopped());
  96     });
  97     TEST_UTIL.getMiniHBaseCluster().getRegionServerThreads().forEach(thread -> {
  98       assertFalse(thread.getRegionServer().isStopped());
  99     });
 100
 101     admin.shutdown().join();
 102     TEST_UTIL.getMiniHBaseCluster().getMasterThreads().forEach(thread -> {
 103       while (!thread.getMaster().isStopped()) {
 104         trySleep(100, TimeUnit.MILLISECONDS);
 105       }
 106     });
 107     TEST_UTIL.getMiniHBaseCluster().getRegionServerThreads().forEach(thread -> {
 108       while (!thread.getRegionServer().isStopped()) {
 109         trySleep(100, TimeUnit.MILLISECONDS);
 110       }
 111     });
 112   }
 113
 114   private void trySleep(long timeout, TimeUnit unit) {
 115     try {
 116       unit.sleep(timeout);
 117     } catch (InterruptedException e) {
 118     }
 119   }
 120 }